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Unrealistic Optimism Bias01:30

Unrealistic Optimism Bias

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Unrealistic optimism bias is the tendency to overestimate the likelihood of positive outcomes. This cognitive bias makes individuals believe they are less likely to experience failures, setbacks, or risks and more likely to succeed than others. For example, people may assume they are less prone to health issues, accidents, or financial struggles than their peers, even when they share similar risk factors.One key component of this bias is the above-average effect, where individuals perceive...
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Magical thinking encompasses the belief in assumptions that defy logical reasoning yet appear intuitively convincing. It is a common psychological phenomenon that persists across various cultural and individual contexts. While these assumptions contradict empirical evidence and scientific laws, they often serve meaningful psychological roles in promoting emotional resilience and a sense of control, especially under stress or uncertainty.Thought-Action Fusion and the Law of SimilarityA key...
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Schizophrenia is a complex psychiatric disorder characterized by a range of symptoms that significantly impact cognition, behavior, and emotional regulation. Among these, the positive symptoms stand out as they involve the addition or exaggeration of normal mental functions, deviating markedly from typical behavior and perception. Hallucinations and delusions are prominent positive symptoms, each profoundly affecting the individual's experience of reality.
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When we hold a stereotype about a person, we have expectations that he or she will fulfill that stereotype. A self-fulfilling prophecy is an expectation held by a person that alters his or her behavior in a way that tends to make it true. When we hold stereotypes about a person, we tend to treat the person according to our expectations. This treatment can influence the person to act according to our stereotypic expectations, thus confirming our stereotypic beliefs. Research by Rosenthal and...
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Related Experiment Video

Updated: Apr 23, 2026

Dissociation of the Confounding Influences of Expectancy and Integrative Difficulty Residing in Anomalous Sentences in Event-related Potential Studies
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Hope, optimism and delusion.

Rebecca McGuire-Snieckus1

  • 1Department of Psychology, Bath Spa University.

Psychiatric Bulletin (2014)
|September 20, 2014
PubMed
Summary

This study questions the common practice of encouraging optimism in mental health care. It suggests that excessive optimism may harm mental well-being and overlooks systemic factors contributing to distress.

Area of Science:

  • Psychology
  • Psychiatry
  • Mental Health Research

Background:

  • Optimism is widely considered a key indicator of mental health by professionals.
  • Current interventions focus on cognitive-behavioral techniques to manage negative thought patterns.

Purpose of the Study:

  • To evaluate the efficacy of facilitating optimism in individuals already prone to optimistic biases.
  • To explore whether current therapeutic approaches adequately address systemic social and economic influences on mental health.

Main Methods:

  • Literature review on optimism biases and mental health interventions.
  • Critical analysis of cognitive-behavioral therapy (CBT) in the context of excessive optimism.
  • Exploration of alternative frameworks for understanding mental distress.

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Main Results:

  • Evidence indicates prevalent optimistic biases in the general population.
  • Excessive optimism is potentially detrimental to mental health.
  • Current interventions may overemphasize individual cognitions, neglecting broader societal factors.

Conclusions:

  • Facilitating optimism in individuals with existing biases may be counterproductive.
  • A critical re-evaluation of mental health interventions is needed to incorporate systemic influences.
  • Addressing social and economic determinants is crucial for comprehensive mental well-being.